package com.quick.framework.security.filter;



import com.quick.common.core.domain.LoginUser;
import com.quick.common.utils.SecurityUtils;
import com.quick.framework.service.TokenService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.authentication.UsernamePasswordAuthenticationToken;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.WebAuthenticationDetailsSource;
import org.springframework.stereotype.Component;
import org.springframework.web.filter.OncePerRequestFilter;

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Objects;

/**
 * token过滤器 验证token有效性
 *
 * @author 吃素不吃肉
 */
@Component
public class JwtAuthenticationTokenFilter extends OncePerRequestFilter {

@Autowired
private TokenService tokenService;
    @Override
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain chain)
            throws ServletException, IOException {
        //获取请求中的令牌
        LoginUser loginUser = tokenService.getLoginUser(request);
        //登录信息存在并且认证对象不存在,重新设置认证对象
        if (!Objects.isNull(loginUser) && Objects.isNull(SecurityUtils.getAuthentication())) {
            //验证token是否将要过期
            tokenService.verifyToken(loginUser);
            UsernamePasswordAuthenticationToken authenticationToken = new UsernamePasswordAuthenticationToken(loginUser, null, loginUser.getAuthorities());
            authenticationToken.setDetails(new WebAuthenticationDetailsSource().buildDetails(request));
            SecurityContextHolder.getContext().setAuthentication(authenticationToken);
        }
        chain.doFilter(request, response);
    }
}
